Liquid biopsy in cancer
Liquid biopsy in cancer
‘In the Spotlight’ features bring together collections of published papers on topics of interest and importance to the veterinary professions. Papers are chosen for relevance and accessibility, with the full text of articles either being available through the RCVS Knowledge Library, on open access or from other publications to which a significant number of veterinary professionals are likely to have access. This means that there may be relevant evidence that is not included.
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Published 29 May 2025 | Updated 4 June 2025
There is growing interest in the use of liquid biopsy (the analysis of blood or other bodily fluids) for detecting biomarkers that can be used to assist in the early detection of cancer as well as in monitoring treatment efficacy and detecting recurrence.
Liquid biopsies can be developed to look for circulating cancer cells, genetic material or protein biomarkers. To use these tests appropriately it is important to understand what they are measuring.
The purpose of this In the Spotlight feature is to bring together published evidence about the potential use of biomarkers in the diagnosis and management of cancer in veterinary patients, and to provide an overview of the types of tests currently available.
The first section provides an overview of the potential uses of liquid biopsy in the diagnosis and management of cancer in veterinary patient, this is followed by more detail about the different types of tests currently available, including those looking at genetic material and protein biomarkers. The final section provides links to papers that provide evidence relating to the cancer blood tests that are currently available on the veterinary market.
- Introduction
- Molecular, genetic and genomic biomarkers
- Protein biomarkers
- Currently available blood tests for cancer
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